Term
| Helminths Platyheminths (flatworms) is a type of? |
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Definition
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Term
| Cestodes(flatworm) - also has this nickname? |
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Definition
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Term
| Describe the cestodes body structure. |
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Definition
| Ribbon like, segmented. No digestive system. |
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Term
| How do cestodes reproduce? |
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Definition
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Term
| How do cestodes gain a foothold in the human body? |
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Definition
| Attach to gut wall by scolex (hooks or suckers). |
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Term
| The larvae from cestodes are found where? |
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Definition
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Term
| Life cycle of cestodes. Describe it and the role of Definitive hose and intermediate host. |
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Definition
| Definitive host contains adult worm, produces ova which pass into the environment. The ova are consumed by the intermediate host, where the ova develops into larva and the intermediate host is then ingested by the definitive host, the adult worm develops in the gut. |
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Term
| Cysticercosis - what do they cause throughout the body? |
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Definition
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Term
| How are cysticerocosis transmitted? |
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Definition
| Ova are ingested and develop within the host. |
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Term
| How do you detect cysticercosis? |
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Definition
| Serology, xray, utlrasounds and other methods to detect mass lesions. |
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Term
| Tramatodes (flukes) describe shape? |
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Definition
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Term
| Tramatodes reproduce how? |
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Definition
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Term
| Describe structure of Tramatodes. |
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Definition
| Primitive gut, have suckers for attachment. |
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Term
| Describe life cycle of Tramatodes. |
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Definition
| Definitive host contains adult worm which produces ova. Ova are ingested by Ist intermediate host, ova becomes larva, 1st intermediate host consumed by 2nd intermediate host, and larva develops a new stage in it. 2nd intermediate host eat by definitive host, where larva develops into a host. . |
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Term
| Schistosoma are a type of? |
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Definition
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Term
| How does Schistosomiasis cause disease? |
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Definition
| Effects of inflammation through out the body, hematuria. |
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Term
| Transmission of Schistosomiasis? |
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Definition
| Penetration of skin by larval form (cercaria). |
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Term
| Detection of Schistosomiasis? |
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Definition
| Ova in stool, urine depending on species of schistosome. |
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Term
| Nematodes are which type of worm? |
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Definition
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Term
| How big is the relative size of a nematode? |
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Definition
| Big enough to be seen by the naked eye. |
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Term
| Reproduction of nematodes? |
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Definition
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Term
| Where in the body do they enter and exit? |
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Definition
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Term
| How do they gain foothold in the gut? |
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Definition
| Some attach to gut wall (ie. hookworms). |
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Term
| Disease caused by nematodes? |
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Definition
| Abdominal pain and discomfort. Most species are found in the gut. |
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Term
| Transmission of nematodes? |
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Definition
| Fecal oral via ova in stool. |
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Term
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Definition
| Recognition of ova using stool microscopy. Identification of adult worms. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Identification of ova or larvae in stool. |
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Term
| Cutaneous Larva migrans - caused by what? |
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Definition
| Its an infection by cat/dog hookworm, larva wanders on skin looking for cat/dog receptor, immune response causes rash and itch for weeks. Increased risk in the carribean at beaches shared by cats and dogs. |
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Term
| Filariasis - caused by what? |
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Definition
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Term
| What causes the enlargement in tissues affected by filariasis? |
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Definition
| Filaria block lymph channels. |
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Term
| Symptoms of disease (filariasis)? |
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Definition
| Fevers, elephantiasis, swelling and deformity of limbs and genetalia. |
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Term
| Transmission of fliariasis? |
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Definition
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Term
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Definition
| parasite larvae stained on blood film. |
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Term
| Ectoparasites what do they do to the body? |
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Definition
| They colonize it, vs micropredators that bite only. |
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Term
| Ectoparasites - insects(6 legs) examples? |
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Definition
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Term
| Ectoparasites with 8 legs, and examples. |
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Definition
| Arachnida, ticks and mites. |
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Term
| What is the importance of ectoparasites? |
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Definition
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